Augusta is a village in Hancock County, Illinois, United States. The population was 657 at the 2000 census. It is located near Weinberg-King State Park.
Augusta is located at 40°13′51″N 90°57′3″W / 40.23083°N 90.95083°W / 40.23083; -90.95083 (40.230946, -90.950741).
According to the United States Census Bureau, the village has a total area of 0.7 square miles (1.8 km²), all of it land.